Gene therapy for inherited retinal and optic nerve degenerations

Nicholas A. Moore, Nuria Morral, Thomas A. Ciulla, Peter Bracha

Research output: Contribution to journalReview article

28 Scopus citations

Abstract

Introduction: The eye is a target for investigational gene therapy due to the monogenic nature of many inherited retinal and optic nerve degenerations (IRD), its accessibility, tight blood-ocular barrier, the ability to non-invasively monitor for functional and anatomic outcomes, as well as its relative immune privileged state.Vectors currently used in IRD clinical trials include adeno-associated virus (AAV), small single-stranded DNA viruses, and lentivirus, RNA viruses of the retrovirus family. Both can transduce non-dividing cells, but AAV are non-integrating, while lentivirus integrate into the host cell genome, and have a larger transgene capacity. Areas covered: This review covers Leber’s congenital amaurosis, choroideremia, retinitis pigmentosa, Usher syndrome, Stargardt disease, Leber’s hereditary optic neuropathy, Achromatopsia, and X-linked retinoschisis. Expert opinion: Despite great potential, gene therapy for IRD raises many questions, including the potential for less invasive intravitreal versus subretinal delivery, efficacy, safety, and longevity of response, as well as acceptance of novel study endpoints by regulatory bodies, patients, clinicians, and payers. Also, ultimate adoption of gene therapy for IRD will require widespread genetic screening to identify and diagnose patients based on genotype instead of phenotype.

Original languageEnglish (US)
Pages (from-to)37-49
Number of pages13
JournalExpert Opinion on Biological Therapy
Volume18
Issue number1
DOIs
StatePublished - Jan 2 2018

Keywords

  • Gene therapy
  • Leber’s Congenital Amaurosis
  • Stargardt Disease
  • adeno-associated virus
  • choroideremia
  • inherited retinal disease
  • retinitis pigmentosa

ASJC Scopus subject areas

  • Pharmacology
  • Drug Discovery
  • Clinical Biochemistry

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