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Open Access Gold möglich sobald Verlagsversion bei der ZB eingereicht worden ist.
Identification of mutations causing inherited retinal degenerations in the Israeli and Palestinian populations using homozygosity mapping.
Invest. Ophthalmol. Vis. Sci. 55, 1149-1160 (2014)
Methods. Clinical analysis included family history, ocular examination, full-field electroretinography (ERG), and funduscopy. Molecular analysis included homozygosity mapping and mutation analysis of candidate genes. Results. We recruited for the study families with AR nonsyndromic retinal degenerations, including mainly retinitis pigmentosa (RP), cone-rod degeneration (CRD), and Leber congenital amaurosis (LCA). With the aim to identify the causative genes in these families, we performed homozygosity mapping using whole genome single nucleotide polymorphism (SNP) arrays in 125 families. The analysis revealed the identification of 14 mutations, 5 of which are novel, in 16 of the families. The mutations were identified in the following eight genes: RDH12, PROM1, MFRP, TULP1, LCA5, CEP290, NR2E3, and EYS. While most patients had a retinal disease that is compatible with the causing gene, in some cases new clinical features are evident. Conclusions. Homozygosity mapping is a powerful tool to identify genetic defects underlying heterogeneous AR disorders, such as RP and LCA, in consanguineous and nonconsanguineous patients. The identification of significant and large homozygous regions, which do not include any known retinal disease genes, may be a useful tool to identify novel disease-causing genes, using next generation sequencing.
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Publikationstyp
Artikel: Journalartikel
Dokumenttyp
Wissenschaftlicher Artikel
Schlagwörter
Homozygosity Mapping ; Retinal Degeneration ; Retinitis Pigmentosa; Leber Congenital Amaurosis; Cone-rod Dystrophy; Recessive Retinitis-pigmentosa; Tubby-like Protein-1; Rdh12 Mutations; Nuclear Receptor; Prom1 Gene; Cep290; Nr2e3; Tulp1
ISSN (print) / ISBN
0146-0404
e-ISSN
1552-5783
Quellenangaben
Band: 55,
Heft: 2,
Seiten: 1149-1160
Verlag
Association for Research in Vision and Ophthalmology (ARVO)
Verlagsort
Rockville
Nichtpatentliteratur
Publikationen
Begutachtungsstatus
Peer reviewed
Institut(e)
Institute of Human Genetics (IHG)