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Identifies a nuclear protein involved in melanocyte development and survival. MITF (RED) is expressed in most melanomas, benign nevi, and normal melanocytes, and is specific to the melanocytic lineage.
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 indirect contact with specimen.