2020Unpublished venueOpen access

Molecular characterization and reclassification of a 1.18Mbp DMD duplication following positive carrier screening for Duchenne/Becker Muscular Dystrophy

Cinthya Zepeda‐Mendoza, Jordan Bontrager, Camille Fisher, Amber McDonald, Jaya K. George‐Abraham, Linda Hasadsri

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Abstract

A 2-month-old male harboring a duplication of DMD exons 1-7 classified as pathogenic by an outside institution presented with mildly elevated CK levels; molecular breakpoint analysis by our laboratory reclassified the duplication as likely benign. To date, proband continues to develop normally with decreased CK levels, further supporting our reclassification.

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What this paper is about

A 2-month-old male harboring a duplication of DMD exons 1-7 classified as pathogenic by an outside institution presented with mildly elevated CK levels; molecular breakpoint analysis by our laboratory reclassified the duplication as likely benign. To date, proband continues to develop normally with decreased CK levels, further supporting our reclassification.

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Available abstract

A 2-month-old male harboring a duplication of DMD exons 1-7 classified as pathogenic by an outside institution presented with mildly elevated CK levels; molecular breakpoint analysis by our laboratory reclassified the duplication as likely benign. To date, proband continues to develop normally with decreased CK levels, further supporting our reclassification.

Key concepts: Proband, Gene duplication, Duchenne muscular dystrophy, Muscular dystrophy, Exon, Medicine, Internal medicine, Genetics

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Molecular characterization and reclassification of a 1.18Mbp DMD duplication following positive carrier screening for Duchenne/Becker Muscular Dystrophy — Research Paper | ScholarLens