PEX6 Mutations in Peroxisomal Biogenesis Disorders: An Usher Syndrome Mimic
Ophthalmology Science(2021)
Abstract
Mutations in were responsible for combined hearing loss and retinopathy in our patient. The primary peroxisomal defect in our patient's skin fibroblasts was impaired peroxisomal protein import as opposed to reduction in the number of peroxisomes. Genetic strategies that introduce wild-type into cells deficient in PEX6 protein show promise in restoring peroxisome function. Future studies of patient-specific induced pluripotent stem cell-derived retinal pigment epithelium cells may clarify the role of in the retina and the potential for gene therapy in these patients.
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Key words
Hearing loss,Peroxisomal biogenesis disorders,Peroxisome,PEX6,Retinal degeneration,Usher syndrome
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