Advanced tools for BRCA1/2 mutational screening: comparison between two methods for large genomic rearrangements
Clinical Chemistry and Laboratory Medicine
|March 28, 2014
Summary
The BRCA1/2 multiplex amplicon quantification (MAQ) assay accurately detects large genomic rearrangements (LGRs) in BRCA1/2 genes. This fast and safe method is a valid alternative to MLPA for molecular diagnostics.
Area of Science:
- Genetics
- Molecular Biology
- Cancer Genomics
Background:
- Multiplex ligation-dependent probe amplification (MLPA) is standard for detecting large genomic rearrangements (LGRs) in BRCA1/2 genes.
- A novel, rapid assay, BRCA1/2 multiplex amplicon quantification (MAQ), has been developed.
Purpose of the Study:
- To evaluate the performance of the MAQ assay for detecting BRCA1/2 LGRs.
- To compare MAQ assay efficacy against the established MLPA technique.
Main Methods:
- Utilized several DNA samples with known BRCA1/2 LGRs, previously confirmed by MLPA.
- Performed comparative analysis between the MAQ assay and MLPA.
Main Results:
- The MAQ assay successfully identified all tested BRCA1/2 LGRs.
- Independent, repetitive experiments yielded no false-positive or false-negative results with the MAQ assay.
Conclusions:
- The MAQ assay is a valid and reproducible tool for molecular diagnostics.
- MAQ offers a fast and safe alternative to MLPA for BRCA1/2 mutational screening, suitable for initial analysis.
