Retinal capillary regeneration with synthetic protein

Abstract

A method is provided for capillary stabilization and vascular regeneration in retinal tissue. Capillary regeneration is accomplished with a protein that is a truncated norrin protein (synthetic). The truncated norrin protein has a longer half-life in the eye than native wild norrin proteins. Specific versions of the truncated norrin protein lack a cleavage site that an enzyme in the eye use to cleave to native norrin proteins and thereby shorten the useful life of the protein. The provided method encourages vascular development with an exogenous treatment of truncated norrin that have been investigated in oxygen-induced retinopathy (OIR) mice. The therapeutic feasibility of intravitreal injection of the norrin protein and its effect on retinal development by activating Wnt-signaling has also been shown.

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