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A transmembrane protein on the surface of human erythrocytes, Glycophorin A serves as a marker of erythroid differentiation. It is expressed throughout erythroid maturation and in blast cells of erythroleukemia, but does not react with acute lymphoblastic or myeloblastic leukemia. This antibody targets an extracellular epitope specific to glycophorin A without cross-reacting with glycophorin D.
Tissue Block: Formalin-fixed, paraffin-embedded (FFPE) tumor block preferred.
Unstained Slides: Recommended 2 charged slides per stain requested (minimum of 1 slide per stain), baked or unbaked.
Fixation: Tissue must be fixed in 10% neutral buffered formalin for 6–72 hours.
Use cold pack for transport. Make sure cold pack is not in direct contact with specimen.