Detection of mutations causing Duchenne and Becker muscular dystrophies: multiplex polymerase chain reaction vs. Multiplex ligation dependent probe amplification.

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Summary of "Detection of mutations causing Duchenne and Becker muscular dystrophies: multiplex polymerase chain reaction vs. Multiplex ligation dependent probe amplification."

Duchenne and Becker muscular dystrophies are rare diseases that receive limited attention in our field. The objective of this study was to implement the Multiplex Ligation-dependent Probe Amplification technique (MLPA) and to demonstrate that it has advantages over the Multiplex Polymerase Chain Reaction (Multiplex PCR) technique. Samples from 40 individuals with a presumptive diagnosis of Duchenne and Becker muscular dystrophies were analyzed: first by Multiplex PCR and then by MLPA. Fifteen individuals with causal deletions were detected with Multiplex PCR, while the MLPA technique was able to diagnose 21 individuals, four duplications, and 17 deletions. In conclusion, the MLPA technique can detect mutations of the exon deletion and duplication type, yielding a larger number of molecular diagnoses due to alterations in the DMD gene.


Journal Details

This article was published in the following journal.

Name: Revista peruana de medicina experimental y salud publica
ISSN: 1726-4642
Pages: 475-480


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Medical and Biotech [MESH] Definitions

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Deficiencies or mutations in the genes for the SARCOGLYCAN COMPLEX subunits. A variety of phenotypes are associated with these mutations including a subgroup of autosomal recessive limb girdle muscular dystrophies, cardiomyopathies, and respiratory deficiency.

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A membrane protein that contains multiple C2 DOMAINS. It is highly expressed in skeletal muscle and functions as a calcium ion sensor in SYNAPTIC VESICLE-PLASMA MEMBRANE fusion, as well as in SARCOLEMMA repair following mechanical stress. Mutations in the dysferlin (DYSF) gene are associated with several hereditary MUSCULAR DYSTROPHIES.

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