1·Objective to investigate the relationships between skin photoaging and point mutations in mitochondrial DNA (mtDNA) control region for replication of dermal fibroblast.
目的探讨皮肤光老化与真皮成纤维细胞线粒体DNA复制控制区点突变的关系。
2·Photoaging refers to cutaneous damage caused by light, especially ultraviolet radiation exposure, in the process of skin aging.
光老化是指皮肤衰老过程中由光线特别是紫外线辐射所造成的损伤。