细胞凋亡是通过外界因素和内部因素相互作用后，通过一系列分子信号的传导，引发特异的基因表达，最终激活相应的DNaseI而导致细胞的主动死亡。细胞凋亡与创伤后的组织修复密切相关，它参与调控创面愈合过程中的多个环节而影响其预后。通过细胞凋亡机制可使炎症过程中的炎症细胞和其它细胞有效清除，有利于创面愈合和减轻愈合组织中疤痕的形成。 Apoptosis is through the interaction of external factors and internal factors, through a series of molecular signal transduction, trigger specific gene expression, and ultimately activate the corresponding DNaseI and lead to the active cell death. Apoptosis and wound tissue repair are closely related, it is involved in the regulation of many aspects of the wound healing process and affect its prognosis. Through the mechanism of apoptosis, the inflammatory cells and other cells in the process of inflammation can be effectively removed, which helps to heal the wound and reduce the formation of scar in the healing tissue.