Abstract
Inherited retinal degenerations (IRD) are a group of diseases with high genetic heterogeneity and differences in inheritance patterns, age of onset and severity of visual dysfunction. It is one of the leading causes of blindness. In recent years, gene therapy becomes a popular research area in the treatment of genetic diseases due to the rapid development of gene diagnosis technology. Several clinical trials worldwide have proved the safety and effectiveness of gene therapies in IRD. Clinical application of adeno-associated virus -mediated gene therapies for Leber congenital amaurosis and choroideremia clinical trials indicate that patients′ retinal functions were improved at different levels after treatment. There are a number of other IRD clinical trials ongoing currently, which bring new possibilities to treat IRD. This article reviews the pathogenesis of IRD, gene vectors and clinical trials in IRD. Key words: Retinal degeneration/genetics; Gene therapy; Review
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