DNA repair

Cultural  

1. The way in which a cell corrects potentially damaging or mutagenic errors in its DNA. (See mutagen.) DNA bases may be directly replaced by enzymes, or part of a strand may be replaced by enzymes using its opposite, paired strand as a template.

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Example Sentences

In laboratory models, reducing the excessive DNA repair activity caused by abnormal TDP43 helped partially reverse cellular damage.

From Science Daily • Mar. 15, 2026

One surprising result was that the same DNA repair genes did not behave uniformly.

From Science Daily • Jan. 9, 2026

A new study of the bizarre naked mole rat shows that the animals have evolved a DNA repair mechanism that could explain their longevity.

From BBC • Oct. 9, 2025

For this study, led by a team at Tonji University in Shanghai, China, the focus was DNA repair - a natural process in our bodies' cells.

From BBC • Oct. 9, 2025

“We see a lot of genes for DNA repair get activated, like the body is detecting some of the damage and then repairing that damage, which is a normal adaptive response.”

From Salon • Mar. 15, 2025