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Figure 3: The ability of cell migration of HaCaT cells in different groups. (a) Several randomly chosen fields were photographed in different groups. (b) When compared with the control group, both semaphorin 3A and acitretin restrained the migration of HaCaT cells, while vascular endothelial growth factor clearly accelerated its migration. *P < 0.05, **P < 0.005 versus control group. #P < 0.05, ##P < 0.005 versus vascular endothelial growth factor exposed groups

Figure 3: The ability of cell migration of HaCaT cells in different groups. (a) Several randomly chosen fields were photographed in different groups. (b) When compared with the control group, both semaphorin 3A and acitretin restrained the migration of HaCaT cells, while vascular endothelial growth factor clearly accelerated its migration. *<i>P</i> < 0.05, **<i>P</i> < 0.005 versus control group. <sup>#</sup><i>P</i> < 0.05, <sup>##</sup><i>P</i> < 0.005 versus vascular endothelial growth factor exposed groups