Fig. 6From: Cell-free fat extract promotes tissue regeneration in a tissue expansion modelThe cell-free fat extract (CEFFE) increases the proliferation of HaCaT cells. a Morphology of HaCaT cells 72 h post-CEFFE treatment. Scale bar: 150 μm. b The Cell Counting Kit-8 assay shows cell proliferation at 72-h post-CEFFE treatment. c Cell cycle distribution analyzed by flow cytometry. Data are expressed as means ± SD. *p < 0.05Back to article page