Cells zealously protect the integrity of their genomes, because damage can lead to cancer or cell death. The genome – a cell's complete set of DNA – is most vulnerable while it is being duplicated before a cell divides. Cancer cells constantly are dividing, so their genomes are constantly in jeopardy.
Researchers at Washington University School of Medicine in St. Louis have identified a previously unknown signaling pathway cells use to protect their DNA while it is being copied.
Cells zealously protect the integrity of their genomes, because damage can lead to cancer or cell death. The genome – a cell's complete set of DNA – is most vulnerable while it is being duplicated before a cell divides. Cancer cells constantly are dividing, so their genomes are constantly in jeopardy.
Researchers at Washington University School of Medicine in St. Louis have identified a previously unknown signaling pathway cells use to protect their DNA while it is being copied.
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