Recombinant fragment of human ZAP70 protein (around aa 247-382) (exact sequence is proprietary)
Alternative Names:
Selective T cell defect, SRK, STD, Syk-related tyrosine kinase, Tyrosine-protein kinase ZAP-70,TZK, Zeta chain associated protein kinase 70kDa
ZAP70 is a 70kDa protein tyrosine kinase found in T-cells and natural killer cells.Control of this protein translation is via the IgVH gene. ZAP70 protein is expressed in leukemic cells of approximately 25% of chronic lymphocytic leukemia (CLL) cases as well.Anti-ZAP70 expression is an excellent surrogate marker for the distinction between the Ig-mutated (anti-ZAP70 negative) and Ig-unmutated (anti-ZAP70 positive) CLL subtypes and can identify patient groups with divergent clinical courses. The anti-ZAP70 positive Ig-unmutated CLL cases have been shown to have a poorer prognosis.
Flow Cytometry (1-2ug/million cells),Immunofluorescence (1-2ug/ml),ELISA (Use Ab at 2-4ug/ml for coating) (Order Ab without BSA), Immunohistochemistry (Formalin-fixed) (1-2ug/ml for 30 minutes at RT)(Staining of formalin-fixed tissues requires heating tis
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