因此，预防和治疗皮肤光老化很有必要。
本发明涉及一种防止皮肤光老化的聚丙烯腈纤维及其制备方法和应用。
The invention relates to a polyacrylonitrile fiber for preventing skin from light aging, a preparation method and application thereof.
皮肤光老化可并发多种皮肤病甚至与皮肤肿瘤的发生有病因学的联系。
Photoaging can be complicated by many kinds of cutaneous diseases, and even results in cutaneous neoplasms.
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。
Objective to investigate the relationships between skin photoaging and point mutations in mitochondrial DNA (mtDNA) control region for replication of dermal fibroblast.
NS398对小鼠皮肤光老化有延缓作用，可能为临床抗皮肤衰老提供了一条新途径。
NS398 can prevent mice's skin photoaging. It will provide a new way to prevent skin photoaging.
结论PUVA治疗引起的皮肤光老化皱纹形成可能与真皮成纤维细胞基质金属蛋白酶及其组织抑制剂表达失衡密切相关。
Conclusion Wrinkle formation in photoaging skin after PUVA therapy is correlated with the imbalance of expression of matrix metalloproteinases and their inhibitors of dermal fibroblasts.
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。
Photoaging refers to cutaneous damage caused by light, especially ultraviolet radiation exposure, in the process of skin aging.
数值模拟的结果表明：合理选择光辐射波长、辐射曝光时间和曝光剂量，可以选择性的热破坏光老化皮肤中的病损组织。
The results of numerical simulation show the lesion of photoaging skin can be selectively damaged if the wavelength, exposure duration and exposure dose of irradiated ligh are reasonably selected.
紫外线辐射可造成皮肤损伤，引起皮肤出现红斑、光老化等。
Ultraviolet radiation may result in skin changes, such as erythema, photoaging.
紫外线辐射可造成皮肤损伤，引起皮肤出现红斑、光老化等。
Ultraviolet radiation may result in skin changes, such as erythema, photoaging.
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