3 years ago

Human Induced Pluripotent Stem Cell Models Of Retinitis Pigmentosa

Human Induced Pluripotent Stem Cell Models Of Retinitis Pigmentosa
Dunja Lukovic, Slaven Erceg, Pavla Jendelova, Ana Artero Castro
Hereditary retinal dystrophies, specifically retinitis pigmentosa (RP) are clinically and genetically heterogeneous diseases affecting primarily retinal cells and retinal pigment epithelial (RPE) cells with blindness as a final outcome. Understanding the pathogenicity behind these diseases has been largely precluded by the unavailability of affected tissue from patients, large genetic heterogeneity and animal models that do not faithfully represent some human diseases. A landmark discovery of human induced pluripotent stem cells (hiPSC) permitted the derivation of patient-specific cells. These cells have unlimited self-renewing capacity and the ability to differentiate into RP-affected cell types, allowing the studies of disease mechanism, drug discovery and cell replacement therapies, both as individual cell types and organoid cultures. Together with precise genome editing, the patient specific hiPSC technology offers novel strategies for targeting the pathogenic mutations and design therapies toward retinal dystrophies. We summarize current hiPSC-based RP models and highlight key achievements and challenges of these cellular models, as well as questions that still remain unanswered. This article is protected by copyright. All rights reserved.

Publisher URL: http://onlinelibrary.wiley.com/resolve/doi

DOI: 10.1002/stem.2783

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