[Promotive effect of adipose-derived stem cells on the wound model of human epidermal keratinocytes in vitro].

Evidence from laboratory and animal studies provides groundwork for understanding mechanisms and potential before human studies continue.

• Level A · Stronger Clinical Evidence
• Level B · Emerging clinical evidence with positive signals
• Level C · Early human research exploring benefits
• Level D · Scientific groundwork from lab and animal studies
• Emerging · Emerging topic under active research

Abstract (original English)

To investigate the migrating effect of adipose derived stem cells (ADSCs) on the wound model of human epidermal keratinocyte (HEKa). Rat ADSCs (rADSCs) were isolated and cultured (n = 10), rADSCs were direct co-cultured with HEKa cells in experiment group (experimental group, n = 10). In the control groups, rADSCs were indirect co-cultured with HEKa cells in transwell chamber (indirect group, n = 8), or HEKa was cultured alone (single group, n = 8). Then confluent HEKa cells were scraped to establish a wound model under invert microscope. After scraped 24, 48, and 72 h, cell numbers of which migrated across the edge of the wound was measured, the rate of wound healing was calculated by using SigmaScan Pro 5 software, and the proliferating effect of rADSCs on HEKa were examined by incorporation of [(3)H] thymidine. The cells migrated across the edge of wound after 24 hours in experimental group, indirect group, and single group were (9.2 + or - 0.2), (5.0 + or - 0.3), (4.2 + or - 0.3), and were (58.5 + or - 0.4), (26.5 + or - 0.3), (20.7 + or - 0.5) 48 hours after, and were (125.8 + or - 0.4), (43.0 + or - 0.5), (35.6 + or - 0.5) cells/HP 72 hours after, respectively; the numbers were all significantly higher in experimental group than those in control groups (P < 0.05). The rates of wound healing after scraped 72 hours were 61.0% + or - 3.0%, 35.0% + or - 2.5% and 32.0 + or - 2

Evidence level

Evidence from laboratory and animal studies provides groundwork for understanding mechanisms and potential before human studies continue.

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