title: Induced pluripotent stem cell therapies for geographic atrophy of age-related macular degeneration.
abstract: There is currently no FDA-approved therapy for treating patients with geographic atrophy (GA), a late stage of age-related macular degeneration (AMD). Cell transplantation has the potential to restore vision in these patients. This review discusses how recent advancement in induced pluripotent stem (iPS) cells provides a promising therapy for GA treatment. Recent advances in stem cell biology have demonstrated that it is possible to derive iPS cells from human somatic cells by introducing reprogramming factors. Human retinal pigment epithelium (RPE) cells and photoreceptors can be derived from iPS cells by defined factors. Studies show that transplanting these cells can stabilize or recover vision in animal models. However, cell derivation protocols and transplantation procedures still need to be optimized. Much validation has to be done before clinical-grade, patient-derived iPS can be applied for human therapy. For now, RPE cells and photoreceptors derived from patient-specific iPS cells can serve as a valuable tool in elucidating the mechanism of pathogenesis and drug discovery for GA.
authors: Institute for Genomic Medicine and Shiley Eye Center, University of California at San Diego, La Jolla, CA 92093, USA.
authors: Hongjun
authors: H
authors: Du
authors: Siok Lam
authors: SL
authors: Lim
authors: Seanna
authors: S
authors: Grob
authors: Kang
authors: K
authors: Zhang
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