Wood R D
Imperial Cancer Research Fund, South Mimms.
J R Coll Physicians Lond. 1991 Oct;25(4):300-3.
DNA excision repair is the process used by cells to remove damage from DNA such as that caused by ultraviolet light and many chemicals. Dysfunction of excision repair in humans can lead to heritable diseases in which individuals are sensitive to mutagens, and have an increased risk of skin cancer. The best studied syndrome of this type is xeroderma pigmentosum. Recent research has revealed the genes which encode several different components of DNA excision repair. Work has begun on the protein products encoded by these genes, with the aim of elucidating the detailed biochemical mechanism of the DNA excision repair pathway.
DNA切除修复是细胞用于去除DNA损伤的过程,如由紫外线和许多化学物质引起的损伤。人类切除修复功能障碍可导致遗传性疾病,患者对诱变剂敏感,患皮肤癌的风险增加。这类研究得最透彻的综合征是着色性干皮病。最近的研究已经揭示了编码DNA切除修复几种不同组分的基因。针对这些基因编码的蛋白质产物的研究已经展开,目的是阐明DNA切除修复途径详细的生化机制。