Identifies the hormone produced by trophoblasts and secreted in large quantities by the placenta and normally found in maternal circulation during early fetal development. This antibody is useful for the identification of cells manifesting trophoblastic differentiation, e.g., in germ cell tumors.
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.