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What does Deletion Mutation mean in Duchenne (DMD)?

Deletion Mutation is a Duchenne (DMD) disease term, explained for patients, families, and caregivers.

Category: Duchenne Muscular Dystrophy: Disease Terminology

Deletion Mutation

A genetic change in which a section of DNA is missing. Deletions in the DMD gene may remove one or more exons and disrupt dystrophin production. The exact deletion is important when assessing eligibility for certain exon-skipping therapies.

Updated November 3, 2026

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