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Panel-based NGS Reveals Novel Pathogenic Mutations in Autosomal Recessive Retinitis Pigmentosa

Fecha de publicación:

Autores de IIS La Fe

Participantes ajenos a IIS La Fe

  • Perez-Carro R
  • Corton M
  • Sánchez-Navarro I
  • Zurita O
  • Sanchez-Bolivar N
  • Sánchez-Alcudia R
  • Lelieveld SH
  • Lopez-Martinez MA
  • López-Molina MI
  • Fernandez-San Jose P
  • Blanco-Kelly F
  • Riveiro-Alvarez R
  • Gilissen C
  • Avila-Fernandez A

Grupos

Abstract

Retinitis pigmentosa (RP) is a group of inherited progressive retinal dystrophies (RD) characterized by photoreceptor degeneration. RP is highly heterogeneous both clinically and genetically, which complicates the identification of causative genes and mutations. Targeted next-generation sequencing (NGS) has been demonstrated to be an effective strategy for the detection of mutations in RP. In our study, an in-house gene panel comprising 75 known RP genes was used to analyze a cohort of 47 unrelated Spanish families pre-classified as autosomal recessive or isolated RP. Disease-causing mutations were found in 27 out of 47 cases achieving a mutation detection rate of 57.4%. In total, 33 pathogenic mutations were identified, 20 of which were novel mutations (60.6%). Furthermore, not only single nucleotide variations but also copy-number variations, including three large deletions in the USH2A and EYS genes, were identified. Finally seven out of 27 families, displaying mutations in the ABCA4, RP1, RP2 and USH2A genes, could be genetically or clinically reclassified. These results demonstrate the potential of our panel-based NGS strategy in RP diagnosis.

Datos de la publicación

ISSN/ISSNe:
2045-2322, 2045-2322

SCIENTIFIC REPORTS  NATURE PUBLISHING GROUP

Tipo:
Article
Páginas:
19531-19531
PubMed:
26806561
Factor de Impacto:
1,692 SCImago ℠
Cuartil:
Q1 SCImago ℠

Citas Recibidas en Web of Science: 50

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