ARUP Laboratories, Salt Lake City, Utah, USA
Case Report
Novel RP2 Gene Deletion in a Patient with Bilateral Retinitis Pigmentosa: Insights of Technical Challenges of Next Generation Sequencing
Author(s): Dickson A, Paulraj P, O’Fallon B, Lewis TB, Best H and Ji Y*
Massively parallel sequencing or next generation sequencing (NGS) panel-based testing has paved the way
for rapid clinical molecular diagnosis of diseases by sequencing all known involved genes. One such condition
is retinitis pigmentosa (RP), which is a genetically heterogeneous disorder that can be caused by autosomal
recessive, autosomal dominant, digenic, or X-linked pathogenic variants, making a genetic diagnosis challenging.
Large deletions and duplications in the RP genes have been known to contribute to a significant proportion of
cases, and therefore, deletion/duplication analysis by various methods are often to be added to the RP NGS panel
testing. In this report, we describe the process of identifying a large novel deletion in the X-linked RP2 gene that
presented novel challenges for the NGS-based molecular testing... Read More»
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