Human CD19 HEK293 Cell Line
2007.38 €
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Catalog number: 426 - E24C00039
Product Category: Business & Industrial > Science & Laboratory
Gentaur
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CHEK-ATP003
HEK293/Human CD19 Stable Cell Line
B-lymphocyte antigen CD19 is also known as CD19 (Cluster of Differentiation 19), is a single-pass type I membrane protein which contains two Ig-like C2-type (immunoglobulin-like) domains. CD19 is expressed on follicular dendritic cells and B cells. In fact, it is present on B cells from earliest recognizable B-lineage cells during development to B-cell blasts but is lost on maturation to plasma cells. It primarily acts as a B cell co-receptor in conjunction with CD21 and CD81. Upon activation, the cytoplasmic tail of CD19 becomes phosphorylated, which leads to binding by Src-family kinases and recruitment of PI-3 kinase. As on T cells, several surface molecules form the antigen receptor and form a complex on B lymphocytes. The (almost) B cell-specific CD19 phosphoglycoprotein is one of these molecules. The others are CD21 and CD81. These surface immunoglobulin (sIg)-associated molecules facilitate signal transduction. On living B cells, anti-immunoglobulin antibody mimicking exogenous antigen causes CD19 to bind to sIg and internalize with it. The reverse process has not been demonstrated, suggesting that formation of this receptor complex is antigen-induced. This molecular association has been confirmed by chemical studies. Mutations in CD19 are associated with severe immunodeficiency syndromes characterized by diminished antibody production. CD19 has been shown to interact with: CD81, CD82, Complement receptor 2, and VAV2.
4980.63 €
CHEK-ATS056
HEK293/Human Anti-CD19 Stable Cell Line
Chimeric antigen receptors (CARs) comprise interact domains, of which target cancer cell expressed antigens and allow T cell to efficiently kill the cancer cell. FMC63 is an IgG2a mouse monoclonal antibody specific for CD19, which is a target for the immunotherapy of B lineage leukaemias and lymphomas. FMC63 scFv is the most commonly used ectodomain component of CD19-specific CARs. Our CAR-like cells apply the HEK293 cells for the expression of FMC63 which will be presented on the cell membrane. It mimics the real CAR-T cell reaction and it is used as positive control for Anti-CD19 scFv Antibody flow cytometry detection.
4980.63 €