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DNA repair

Cultural

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.

Example Sentences

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DNA repair is normally essential for healthy cells.

From Science Daily • May 17, 2026

However, even in mice with normal DNA repair, young animals still experienced NDMA-induced double-strand breaks, rapid cell regrowth, and widespread mutations that were not seen in adults.

From Science Daily • Apr. 29, 2026

The study Longitudinal assessment of DNA repair signature trajectory in prodromal versus established Parkinson's disease has been published in npj Parkinson's Disease.

From Science Daily • Jan. 29, 2026

Blood collected after exercise also boosted DNA repair, activating a key repair gene known as PNKP.

From Science Daily • Jan. 8, 2026

More than 1,300 genes shifted their activity, including genes involved in DNA repair, energy production, and cancer cell growth.

From Science Daily • Jan. 8, 2026

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023