When more is less: heritable gain-of-function chk1 mutations impair human fertility.

Abstract excerpt

Heritable loss-of-function mutations in genes encoding key regulators of DNA repair and genome stability can result in degenerative progeroid and/or cancer predisposition syndromes; however, such mutations have never been found to affect the Chk1 protein kinase, despite its central role in DNA damage signalling and checkpoint activation. Remarkably, two recent reports now demonstrate that heritable,...

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