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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

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

It only measured a biomarker related to DNA repair.

From Science Daily • May 30, 2026

Using tumor data and pancreatic cancer cells derived from patients, the team found that cancers with high MYC activity also showed increased DNA repair activity and were associated with worse patient outcomes.

From Science Daily • May 17, 2026

Naked mole rats likely owe their unusually long, healthy lives to several overlapping defenses, including cancer resistance, inflammation control, DNA repair, and tissue protection.

From Science Daily • May 10, 2026

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

From Science Daily • Mar. 15, 2026

Some therapies target metabolic processes in cancer cells, while others focus on disrupting DNA repair systems.

From Science Daily • Mar. 9, 2026

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