Clonal separation of mature melanocytes from premelanocytes in a diploid human cell strain: spontaneous and induced pigmentation of premelanocytes

Strains of pigmented melanocytes can be derived reproducibly from normal human skin. Published procedures have been modified here to yield a strain, 'Nohm-1', comprising many unpigmented cells as well as cells with various degrees of pigmentation observable by light microscopy. The unpigme...

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