Summary
This study demonstrates that optogenetic gene therapy targeting bipolar cells can restore parallel retinal signaling pathways in degenerated retinas, potentially recovering high-level vision. The findings have implications for understanding how retinal circuitry, including ipRGC-mediated melanopsin signaling, contributes to visual function and could inform therapeutic approaches for retinal degenerative diseases.
Key Findings
- Optogenetic targeting of bipolar cells restored parallel retinal signaling pathways in degenerated retinas
- Responses under synaptic block were classified as ipRGC-mediated, confirming endogenous melanopsin expression in intrinsically photosensitive retinal ganglion cells
- The therapy demonstrated restoration of high-level vision in the degenerated retina model
Categories
Eye Health & Vision: Investigates restoration of retinal signaling in degenerated retinas using optogenetic gene therapy targeting bipolar cells.
The Science of Light: Examines parallel retinal signaling pathways including melanopsin-expressing ipRGCs and their role in light responses.
Author(s)
J Kralik, M van Wyk, N Stocker, S Kleinlogel
Publication Year
2022
Number of Citations
16
Related Publications
Eye Health & Vision
- Diminished pupillary light reflex at high irradiances in melanopsin-knockout mice
- Genetic reactivation of cone photoreceptors restores visual responses in retinitis pigmentosa
- Melanopsin and rod–cone photoreceptors play different roles in mediating pupillary light responses during exposure to continuous light in humans
- Characteristic patterns of dendritic remodeling in early-stage glaucoma: evidence from genetically identified retinal ganglion cell types
- Intrinsically photosensitive melanopsin retinal ganglion cell contributions to the pupillary light reflex and circadian rhythm
The Science of Light
- Phototransduction by retinal ganglion cells that set the circadian clock
- Color appearance models
- The mammalian circadian timing system: organization and coordination of central and peripheral clocks
- Diminished pupillary light reflex at high irradiances in melanopsin-knockout mice
- Melanopsin is required for non-image-forming photic responses in blind mice