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《科学》:让人患癌且早衰的遗传病,病因终于找到了!免疫系统 ...
在我们的细胞核中,DNA虽然受到严密包裹与保护,但这种保护并非绝对。无论是正常代谢过程产生的副产物,还是外界的辐射和化学物质等压力,都可能对DNA造成损伤。细胞依赖一整套精密的DNA修复系统来应对这些威胁,一旦修复机制失效,积累的DNA损伤便会破坏细 ...
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