Journal
AMERICAN JOURNAL OF MEDICAL GENETICS PART A
Volume 185, Issue 7, Pages 2204-2210Publisher
WILEY
DOI: 10.1002/ajmg.a.62225
Keywords
CEP83; ciliopathy; retinal dystrophy; retinitis pigmentosa
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Funding
- Radboud University Medical Center
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CEP83 protein plays a crucial role in ciliogenesis and deficiency can lead to ciliopathy. Two unrelated patients with retinitis pigentosa were found to have bi-allelic variants in the CEP83 gene, without nephronophthisis or kidney dysfunction. This study expands the clinical spectrum of CEP83 deficiency and suggests including CEP83 in gene panels for inherited retinal diseases for timely diagnosis.
The CEP83 protein is an essential part in the first steps of ciliogenesis, causing a ciliopathy if deficient. As a core component of the distal appendages of the centriole, CEP83 is located in almost all cell types and is involved in the primary cilium assembly. Previously reported CEP83 deficient patients all presented with nephronophthisis and kidney dysfunction. Despite retinal degeneration being a common feature in ciliopathies, only one patient also had retinitis. Here, we present two unrelated patients, who both presented with retinitis pigmentosa, without nephronophthisis or any form of kidney dysfunction. Both patients harbor bi-allelic variants in CEP83. This report expands the current clinical spectrum of CEP83 deficiency. For timely diagnosis of CEP83 deficiency, we advocate that CEP83 should be included in gene panels for inherited retinal diseases.
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