Role of leukemia inhibitory factor in the regulation of the proliferation and differentiation of neonatal mouse epidermal melanocytes in culture.
Mouse epidermal melanoblasts/melanocytes preferentially proliferated from disaggregated epidermal cell suspensions derived from newborn mouse skin in a serum-free melanoblast/melanocyte-proliferation medium supplemented with dibutyryl adenosine 3':5'-cyclic monophosphate (DBcAMP) and/or basic fibroblast growth factor (bFGF). Leukemia inhibitory factor (LIF) supplemented to the medium from initiation of primary culture increased the proliferation of melanoblasts or melanocytes as well as the differentiation of melanocytes. Pure cultured primary melanoblasts or melanocytes were further cultured with the medium supplemented with LIF from 14 days (keratinocyte depletion). LIF stimulated the proliferation of melanoblasts or melanocytes as well as the differentiation of melanocytes in the absence of keratinocytes. Moreover, anti-LIF antibody supplemented to the medium from initiation of primary culture inhibited the proliferation of melanoblasts or melanocytes as well as the differentiation of melanocytes. These results suggest that LIF is one of the keratinocyte-derived factors involved in regulating the proliferation and differentiation of neonatal mouse epidermal melanocytes in culture in cooperation with cAMP elevator and bFGF.[1]References
- Role of leukemia inhibitory factor in the regulation of the proliferation and differentiation of neonatal mouse epidermal melanocytes in culture. Hirobe, T. J. Cell. Physiol. (2002) [Pubmed]
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