Melanoma Discriminating Antigen

May be stored at 4 °C for short-term only. Aliquot to avoid repeated freezing and thawing. Store at -20 °C. Aliquots are stable for at least 12 months. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. 

Recognizes the Melanoma Discriminating Antigen. Stains a minority of primary melanomas and half of the metastatic lesions tested. Rarely stains dysplastic naevi or common cellular naevi. Crossreacts with dendritic cells in inflammatory infiltrates, sebaceous glands and non-cutaneous tumors.