期刊
SCIENTIFIC REPORTS
卷 7, 期 -, 页码 -出版社
NATURE PORTFOLIO
DOI: 10.1038/srep39652
关键词
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资金
- National Institute of Health Carlos III (Institute of Health Carlos III/ISCIII) [CP10/00572, PI13/02621]
- Basque Government's Industry Department [SAIOTEK: SAIO11-PE11BN002, SAIO12-PC12BN001]
- Retinitis Pigmentosa Patients of Gipuzkoa Foundation (BEGISARE)
- Basque Government's Department of Education [DEDUC14/309]
- Mutua Madrilena Foundation
- Fundacion Jesus de Gangoiti Barrera
- Basque Government's Departments of Industry and Education [SAIOTEK-11BN002/PC12BN001/DEPLC13/002]
- Research Intensification Contract [INTBIO15/001]
Retinitis pigmentosa is the most frequent group of inherited retinal dystrophies. It is highly heterogeneous, with more than 80 disease-causing genes 27 of which are known to cause autosomal dominant RP (adRP), having been identified. In this study a total of 29 index cases were ascertained based on a family tree compatible with adRP. A custom panel of 31 adRP genes was analysed by targeted next-generation sequencing using the Ion PGM platform in combination with Sanger sequencing. This allowed us to detect putative disease-causing mutations in 14 out of the 29 (48.28%) families analysed. Remarkably, around 38% of all adRP cases analysed showed mutations affecting the splicing process, mainly due to mutations in genes coding for spliceosome factors (SNRNP200 and PRPF8) but also due to splice-site mutations in RHO. Twelve of the 14 mutations found had been reported previously and two were novel mutations found in PRPF8 in two unrelated patients. In conclusion, our results will lead to more accurate genetic counselling and will contribute to a better characterisation of the disease. In addition, they may have a therapeutic impact in the future given the large number of studies currently underway based on targeted RNA splicing for therapeutic purposes.
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