Title |
Technical considerations for genotyping multi-allelic copy number variation (CNV), in regions of segmental duplication
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Published in |
BMC Genomics, May 2014
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DOI | 10.1186/1471-2164-15-329 |
Pubmed ID | |
Authors |
Stuart Cantsilieris, Patrick S Western, Paul N Baird, Stefan J White |
Abstract |
Intrachromosomal segmental duplications provide the substrate for non-allelic homologous recombination, facilitating extensive copy number variation in the human genome. Many multi-copy gene families are embedded within genomic regions with high levels of sequence identity (>95%) and therefore pose considerable analytical challenges. In some cases, the complexity involved in analyzing such regions is largely underestimated. Rapid, cost effective analysis of multi-copy gene regions have typically implemented quantitative approaches, however quantitative data are not an absolute means of certainty. Therefore any technique prone to degrees of measurement error can produce ambiguous results that may lead to spurious associations with complex disease. |
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