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Fig. 4 | Stem Cell Research & Therapy

Fig. 4

From: Cell-free fat extract promotes tissue regeneration in a tissue expansion model

Fig. 4

Effect of the cell-free fat extract (CEFFE) on epidermal cell proliferation. a Proliferating cell nuclear antigen (PCNA) staining in expanded tissue. Arrows indicate PCNA-positive cells. More PCNA-positive cells are present in CEFFE-treated tissue. Scale bar: 200 μm. b Quantitative analysis of the PCNA-positive cell number. CEFFE treatment significantly increases epidermal cell proliferation. Data are expressed as means ± SD. p < 0 05

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