Ultraviolet not only causes dermal damages by changing cytokine secretion and gene expression of human skin fibroblasts, but also is used to treat some diseases such as localized scleroderma.

• 紫外线作用于成纤维细胞,引起细胞因子分泌及基因表达的改变,不仅能造成真皮层的损伤,还可被用来治疗某些疾病,如局限性硬皮病。