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Identifies a nuclear transcription factor expressed in early embryonic cells, germ cells, and stem cells. It is a sensitive and specific nuclear marker for classical seminoma and embryonal carcinoma and is useful as a screening marker in metastatic tumors of unknown origin.
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.