Cytogenet Genome Res. 2006;115(3-4):240-6.

Copy number variation in the genome; the human DMD gene as an example.

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Human and Clinical Genetics, Leiden University Medical Center, Leiden, The Netherlands.

Abstract

Recent developments have yielded new technologies that have greatly simplified the detection of deletions and duplications, i.e., copy number variants (CNVs). These technologies can be used to screen for CNVs in and around specific genomic regions, as well as genome-wide. Several genome-wide studies have demonstrated that CNV in the human genome is widespread and may include millions of nucleotides. One of the questions that emerge is which sequences, structures and/or processes are involved in their generation. Using as an example the human DMD gene, mutations in which cause Duchenne and Becker muscular dystrophy, we review the current data, determine the deletion and duplication profile across the gene and summarize the information that has been collected regarding their origin. In addition we discuss the methods most frequently used for their detection, in particular MAPH and MLPA.

PMID:: 17124406; [PubMed - indexed for MEDLINE]

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Copy number variation in the genome; the human DMD gene as an example.
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