Primary human epidermal melanocytes isolated from adult skin, cryopreserved at the end of the secondary culture. These cells are isolated from lightly pigmented tissue. • Viability at least 70% • ≥500,000 viable cells/vial • Capable of at least 16 population doublings • Mycoplasma: Not Detected • Hepatitis B: Not Detected • Hepatitis C: Not Detected • HIV-1: Not Detected • Bacteria, yeast, and other fungi: Not Detected • Positive for Mel-5 antigen in the fourth culture after thawing
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