Abstract
Throughout the last 25 years, exceptional progress in retinal gene therapy was achieved. The major breakthrough was realized in 2017 when the FDA approved the adeno-associated virus (AAV)-based gene therapy for treatment of the monogenetic disorder Leber congenital amaurosis type 2 (LCA2). Since then, many therapies for inherited retinal diseases (IRD) reached phase I/II clinical trials, targeting diseases like achromatopsia, choroideremia, retinitis pigmentosa, Stargardt disease, and many more (reviewed in (Trapani and Auricchio, Trends Mol Med 24:669–681, 2018)). Advanced vector and capsid design technologies as well as improved gene transfer and gene editing methods may lead to refined therapies for various eye diseases. Many research departments worldwide focus on optimizing transgene expression by designing novel AAV serotypes. Besides serotype tropism, the method of injection (intravitreal, subretinal, or suprachoroidal) (Han et al., Hum Gene Ther 31:1288–1299, 2020) defines the efficiency outcome along with the use of tissue-specific promotors which play a critical role for cell targeting.
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Abbreviations
- AAP:
-
Assembly-activating protein
- AAV:
-
Adeno-associated virus
- c-Met:
-
Hepatocyte growth factor receptor
- FGFR1:
-
Fibroblast growth factor receptor 1
- HSPG:
-
Heparan sulfate proteoglycan
- IRD:
-
Inherited retinal diseases
- ITR:
-
Inverted terminal repeats
- LCA2:
-
Leber congenital amaurosis type 2
- rAAV:
-
Recombinant AAV
- RPE:
-
Retinal pigment epithelium
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Ebner, L.J.A., Grimm, C. (2023). AAV Serotypes and Their Suitability for Retinal Gene Therapy. In: Ash, J.D., Pierce, E., Anderson, R.E., Bowes Rickman, C., Hollyfield, J.G., Grimm, C. (eds) Retinal Degenerative Diseases XIX. Advances in Experimental Medicine and Biology, vol 1415. Springer, Cham. https://doi.org/10.1007/978-3-031-27681-1_20
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