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Fig. 3. System for in vivo labeling of the cells in the melanocyte lineage with
GFP. Existence of MSCs in an isolated single hair follicle. Arrowheads
indicate that MSCs reside in the lower permanent portion of the hair follicle.
(B) Strategy for marking melanocytes with GFP. (C,D) GFP expression in a hair
follicle and the embryonic epidermis. (E) FACS analysis of a single-cell
suspension obtained from the epidermis of a melanocyte-specific GFP transgenic
mouse at E16.5. The single-cell suspension was stained with PE-anti-CD45 and
APC-anti-c-Kit, and processed for FACS analysis. The FACS profile of the cells
in CD45-negative population is shown. Scale bars: 50 µm.