Uncovering Novel Drugs that Restore Vision Using Orthogonal Pooling in Zebrafish

Area of Science:

• Ophthalmology and Genetics
• Drug Discovery and Development
• Zebrafish Models in Vision Research

Background:

• Photoreceptor and retinal pigment epithelium (RPE) dysfunction cause inherited retinal degenerations (IRDs) and age-related macular degeneration (AMD).
• Vision impairment from these conditions results in significant global economic losses.
• Existing treatments for IRDs and AMD are limited, highlighting the need for novel therapeutic strategies.

Purpose of the Study:

• To develop and implement an innovative workflow for screening drug compounds.
• To identify novel therapeutic agents capable of restoring vision in models of inherited blindness.
• To assess the efficacy of identified drug hits using the optokinetic response (OKR) in a relevant animal model.

Main Methods:

• Utilized orthogonal pooling for efficient screening of randomized compound libraries.
• Employed the atp6v0e1^-/- zebrafish model, which mimics inherited blindness.
• Assessed the optokinetic response (OKR) as a functional measure of vision restoration.

Main Results:

• Successfully implemented a screening workflow to identify potential vision-restoring drug candidates.
• Demonstrated the utility of the atp6v0e1^-/- zebrafish model for evaluating therapeutic efficacy.
• Identified specific compounds showing promise in restoring visual function.

Conclusions:

• The described workflow enables the discovery of novel drugs for vision restoration.
• This approach holds significant potential for developing new treatments for IRDs and AMD.
• Further research can leverage this methodology to accelerate the development of vision-saving therapies.