Large genomic mutations within the ATM gene detected by MLPA, including a duplication of 41 kb from exon 4 to 20.

Abstract excerpt

Mutation detection remains problematic for large genes, primarily because PCR-based methodology fails to detect heterozygous deletions and any duplication. In the ATM gene only a handful of multi-exon deletions have been described to date, and this type of mutation has been considered rare. To address this issue we tested a new MLPA (Multiplex Ligation Probe Amplification) kit that covers 33 of the 66 ATM exons,...

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