The Molecular Mechanisms of RGC Axon Growth and Regeneration

Project Summary

Currently, no treatment exists for clinical use that could induce regeneration of retinal ganglion cell (RGC) axons for restoring vision loss due to optic neuropathy caused by angle-closure glaucoma. Favorable results from the completion of the proposed project are expected to provide much-needed pre-clinical proof-of-concept data for translation to clinical trials evaluating treatments for the acute phase of angle-closure glaucoma. Such therapeutics would be particularly promising if administered in conjunction with trophic factors to support the health of injured RGCs.

Our approach is innovative in that we propose to study a novel group of bioinformatically-predicted factors, which we hypothesize cooperate in controlling RGC axon growth and regeneration. We will leverage state-of-the-art bioinformatic and biological approaches for investigating how these factors interact in combination to regulate axon growth during RGC development and test the potential of such factors for regenerating RGC axons in a rodent model of optic nerve injury.

The scientific knowledge gained from this research could be paradigm-shifting for understanding the regulation of axon growth and regeneration in the CNS. Furthermore, the success of this project can lead to the development of novel axon-regenerating therapeutics that could transform the clinical treatment of angle-closure glaucoma and other types of optic neuropathies, as well as have the potential to be adapted to regenerating the long-distance axonal projections damaged by spinal cord injury, brain trauma, and white matter stroke.