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Formalin-fixed, paraffin-embedded human tonsil stained with CD43 Recombinant Rabbit Monoclonal Antibody (SPN/6562R). Inset: PBS instead of primary antibody, secondary negative control.
IHC analysis of formalin-fixed, paraffin-embedded human tonsil. Strong membranous staining using SPN/6562R at 2ug/ml in PBS for 30min RT. HIER: Tris/EDTA, pH9.0, 45min. 2°: HRP-polymer, 30min. DAB, 5min.
SDS-PAGE Analysis Purified CD43 Recombinant Rabbit Monoclonal Antibody (SPN/6562R). Confirmation of Integrity and Purity of Antibody.
Product Details
Synonyms
Positive Control
Known Applications & Suggested Dilutions
Immunogen
Cellular Localization
Species Reactivity
Host / Ig Isotype
Mol. Weight of Antigen
Specificity & Comments
It recognizes a cell surface glycoprotein of 95/115/135kDa (depending upon the extent of glycosylation), identified as CD43. 70-90% of T-cell lymphomas and from 22-37% of B-cell lymphomas express CD43. No reactivity has been observed with reactive B-cells. So a B-lineage population that co-expresses CD43 is highly likely to be a malignant lymphoma, especially a low-grade lymphoma, rather than a reactive B-cell population. When CD43 antibody is used in combination with anti-CD20, effective immunophenotyping of the lymphomas in formalin-fixed tissues can be obtained. Co-staining of a lymphoid infiltrate with anti-CD20 and anti-CD43 argues against a reactive process and favors a diagnosis of lymphoma.
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