Article ID Journal Published Year Pages File Type
3327956 The Journal of Molecular Diagnostics 2009 5 Pages PDF
Abstract
The purpose of this work is to define rare variants of cystic fibrosis (CF) that are potential sources of error and can confound molecular genetic testing methods. We performed routine, clinical CF mutation screening using a laboratory-developed test and the oligonucleotide ligation assay reagents from Abbott/Celera. In this report, we describe 11 unique allele drop outs [3849 + 10kb C>T (NM_000492.2:c.3718-2477C>T), V520F (c.1558G>T), 1078delT (c.948delT), A455E (c.1364C>A), R347P (c.1040G>C), 2184delA (c.2052delA), W1282X (c.3846G>A), R117H (c.350G>A), G85E (c.254G>A), 621 + 1G>T (c.489 + 1G>T), and 2789 + 5G>A (c.2657 + 5G>A)] observed with this platform. The allele drop outs account for less than 0.01% of all results reported in our laboratory. Both the recognition and enumeration of such variants along with clinical information in CF testing is valuable in avoiding false-positive and false-negative results.
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